ArticleCalcified tissue international2010
Inhibition of osteoclastogenesis by mechanically loaded osteocytes: involvement of MEPE.
Article in Calcified tissue international, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed, 100 citations in OpenAlex.
- Evaluating the consequences of childhood adiposity on the human plasma proteome at four timepoints across the lifecourse.Nature communications · 2026Article
- Extracellular vesicle-mediated crosstalk in bone: miR-150-5p as a mechanosensitive regulator of osteoclastogenesis.Molecular therapy : the journal of the American Society of Gene Therapy · 2026Article
- Tension-Dominant Orthodontic Loading and Buccal Periodontal Phenotype Preservation: An Integrative Mechanobiological Model Supported by FEM and a Proof-of-Concept CBCT.Journal of functional biomaterials · 2026Article
- Application and translational research of magnesium in nursing care of orthopedic diseases: from mechanism to clinical translation.Frontiers in chemistry · 2026Review
- 3D Osteocyte Networks under Pulsatile Unidirectional Fluid Flow Stimuli (PUFFS).ACS biomaterials science & engineering · 2025Article
- Evaluating the antimicrobial and anti-inflammatory mechanisms of dexmedetomidine in managing bone infection: a laboratory perspective.BMC musculoskeletal disorders · 2025Article
- Angiotensin II Promotes Osteocyte RANKL Expression via AT1R Activation.Biomedicines · 2025Article
- Low, but Not High, Pulsating Fluid Shear Stress Affects Matrix Extracellular Phosphoglycoprotein Expression, Mainly via Integrin β Subunits in Pre-Osteoblasts.Current issues in molecular biology · 2024Article
- Both enantiomers of β-aminoisobutyric acid BAIBA regulate Fgf23 via MRGPRD receptor by activating distinct signaling pathways in osteocytes.Cell reports · 2024Article
- Ank-mediated pyrophosphate regulates shear stress-induced small extracellular vesicle production in 3D-cultured osteocytes.Animal cells and systems · 2024Article
- Verbascoside Inhibits/Repairs the Damage of LPS-Induced Inflammation by Regulating Apoptosis, Oxidative Stress, and Bone Remodeling.Current issues in molecular biology · 2023Article
- Bone-homing metastatic breast cancer cells impair osteocytes' mechanoresponse in a 3D loading model.Heliyon · 2023Article
- Mapping the Response of Human Osteocytes in Native Matrix to Mechanical Loading Using RNA Sequencing.JBMR plus · 2023Article
- Landscape of Well-Coordinated Fracture Healing in a Mouse Model Using Molecular and Cellular Analysis.International journal of molecular sciences · 2023Article
- Fluid flow shear stress and tissue remodeling-an orthodontic perspective: evidence synthesis and differential gene expression network analysis.Frontiers in bioengineering and biotechnology · 2023Article
- Article
- Microfluidic Co-culture Platforms for Studying Osteocyte Regulation of Other Cell Types under Dynamic Mechanical Stimulation.Current osteoporosis reports · 2022Review
- Calcium‑dependent activation of PHEX, MEPE and DMP1 in osteocytes.Molecular medicine reports · 2022Article
- Axial mechanical loading toBone reports · 2021Article
- Mechanical loading activates the YAP/TAZ pathway and chemokine expression in the MLO-Y4 osteocyte-like cell line.Laboratory investigation; a journal of technical methods and pathology · 2021Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In regions of high bone loading, the mechanoresponsive osteocytes inhibit osteoclastic bone resorption by producing signaling molecules. One possible candidate is matrix extracellular phosphoglycoprotein (MEPE) because acidic serine- and aspartate-rich MEPE-associated motif peptides upregulate osteoprotegerin (OPG) gene expression, a negative regulator of osteoclastogenesis. These peptides are cleaved from MEPE when relatively more MEPE than PHEX (phosphate-regulating gene with homology to endopeptidases on the X chromosome) is present. We investigated whether mechanical loading of osteocytes affects osteocyte-stimulated osteoclastogenesis by involvement of MEPE. MLO-Y4 osteocytes were mechanically loaded by 1-h pulsating fluid flow (PFF; 0.7 ± 0.3 Pa, 5 Hz) or kept under static control conditions. Recombinant MEPE (0.05, 0.5, or 5 μg/ml) was added to some static cultures. Mouse bone marrow cells were seeded on top of the osteocytes to determine osteoclastogenesis. Gene expression of MEPE, PHEX, receptor activator of nuclear factor kappa-B ligand (RANKL), and OPG by osteocytes was determined after PFF. Osteocytes supported osteoclast formation under static control conditions. Both PFF and recombinant MEPE inhibited osteocyte-stimulated osteoclastogenesis. PFF upregulated MEPE gene expression by 2.5-fold, but not PHEX expression. PFF decreased the RANKL/OPG ratio at 1-h PFF treatment. Our data suggest that mechanical loading induces changes in gene expression by osteocytes, which likely contributes to the inhibition of osteoclastogenesis after mechanical loading of bone. Because mechanical loading upregulated gene expression of MEPE but not PHEX, possibly resulting in the upregulation of OPG gene expression, we speculate that MEPE is a soluble factor involved in the inhibition of osteoclastogenesis by osteocytes.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.